:root{--blush: #ea7b97;--sea: #83afe2;--tangerine: #f99b6c;--butter: #f6d46f;--matcha: #badd88;--sky: #98c1cd;--neutral-chip: #daceb9;--strike: #9aa03c;--paper: #f7f2e9;--paper-tab: #f3ece2;--rule: #e8ded0;--rule-hard: #cfdde2;--ink: #2f2a26;--ink-soft: #6b5e55;--me-ink: #e36888;--partner-ink: #6698cc;--error-ink: #a74259;--hl-me: #ea7b97;--hl-partner: #83afe2;--bg: var(--paper);--surface: var(--paper);--surface-2: #fdf9f1;--card-surface: rgba(253, 249, 241, .6);--border: var(--rule);--text: var(--ink);--text-dim: var(--ink-soft);--text-faint: var(--ink-soft);--accent: var(--ink);--accent-bg: var(--sky);--success: var(--ink);--warning: var(--ink);--danger: var(--error-ink);--radius: 8px;--hl-radius: 3px 9px 9px 3px;--ease: cubic-bezier(.22, .61, .36, 1);--font-display: "Mali", "Noto Sans Thai", sans-serif;--font-body: "Sarabun", -apple-system, "Noto Sans Thai", sans-serif;--font-hand: "Itim", "Mali", cursive}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}.row-amount,.hero-value,.sticky-value,.n,td,input[type=number]{font-variant-numeric:tabular-nums}.decor{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:0}.decor i{position:absolute;display:block;width:var(--s);will-change:transform;animation:sway ease-in-out infinite}.decor i.wide{display:none}.decor img{display:block;width:100%;height:auto}@media(min-width:900px){.decor i{width:calc(var(--s) * 1.9)}.decor i.wide{display:block}}@keyframes sway{0%,to{transform:translateZ(0) rotate(-6deg)}50%{transform:translate3d(9px,-10px,0) rotate(6deg)}}.shell{position:relative;z-index:1;max-width:480px;margin:0 auto;padding:16px 16px calc(140px + env(safe-area-inset-bottom))}@media(min-width:900px){.shell{max-width:720px}}.book-title{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;padding-bottom:8px;margin-bottom:4px;border-bottom:2px solid var(--rule-hard)}.book-title h1{font-family:var(--font-display);font-size:20px;font-weight:600;margin:0;line-height:1.3}.book-title span{font-size:11px;color:var(--ink-soft);white-space:nowrap}.color-band{display:flex;height:5px;border-radius:3px;overflow:hidden;margin-bottom:4px}.color-band i{flex:1}.card{background:var(--card-surface);border:1.5px solid var(--ink);border-radius:12px;box-shadow:none;overflow:visible;padding:4px 14px 12px}.card{margin-top:22px}.btn-row+.card{margin-top:30px}.card>.card-head:first-child{margin-top:10px}.card .row:last-child{border-bottom:none}.card-head{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:0;border-bottom:none;margin:16px 0 6px;font-size:13px;font-weight:600;font-family:var(--font-display)}.card-head>:first-child{background:var(--neutral-chip);color:var(--ink);padding:1px 9px 2px 7px;border-radius:var(--hl-radius)}.card-head>:last-child:not(:first-child){font-family:var(--font-body);font-size:11px;font-weight:400;color:var(--ink-soft)}.card-head.late>:first-child{background:var(--tangerine);color:var(--ink)}.card-head.balance>:first-child{background:var(--neutral-chip);color:var(--ink)}.group-head{font-family:var(--font-display);font-size:12px;font-weight:600;color:var(--ink-soft);margin:12px 0 2px;display:inline-block}.group-head.me,.group-head.partner{border-radius:var(--hl-radius);padding:0 8px 1px 6px}.group-head.me{color:var(--ink);background:var(--blush)}.group-head.partner{color:var(--ink);background:var(--sea)}.row{display:flex;align-items:baseline;gap:10px;padding:9px 0;border-top:none;border-bottom:1px solid var(--rule)}.row+.row{border-top:none}.row-main{flex:1;min-width:0;position:relative}.row-title{font-size:13.5px}.row-sub{font-size:10.5px;color:var(--ink-soft);margin-top:1px}.row-amount{font-size:13.5px;font-weight:600;white-space:nowrap}.row.danger .row-title,.row.warning .row-title{font-weight:500}.chip{display:inline-block;margin-top:3px;padding:1px 8px 2px 7px;border-radius:var(--hl-radius);font-size:11px;font-weight:600;color:var(--ink);white-space:nowrap}.chip.late{background:var(--tangerine)}.chip.soon{background:var(--butter)}.chip.done{background:var(--matcha)}.stamp{position:absolute;left:50%;top:50%;z-index:1;padding:0 5px 1px;border:1px solid var(--ink);border-radius:3px;background:var(--matcha);color:var(--ink);font-size:8px;font-weight:700;letter-spacing:.08em;line-height:1.75;white-space:nowrap;pointer-events:none;transform:translate(-50%,-50%) rotate(-7deg)}.hero-block{margin-top:16px}.hero-cap{font-size:12px;color:var(--ink-soft);margin-bottom:6px}.side-pair{display:flex;gap:14px}.side{flex:1;min-width:0}.side+.side{border-left:1px solid var(--rule);padding-left:14px}.side .who{font-size:11.5px;padding:1px 8px 2px 6px}.side-num{font-family:var(--font-display);font-size:29px;font-weight:600;line-height:1.15;letter-spacing:-.5px;font-variant-numeric:tabular-nums;margin-top:4px}.side .chip{margin-top:5px}.side-note{font-size:10.5px;color:var(--ok);margin-top:3px}.party-pair{display:block}.party-pair .card+.card{margin-top:0}.party-card{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:9px 0;background:none;border:none;border-bottom:1px solid var(--rule);border-radius:0;box-shadow:none}.party-card.intro{display:block;padding:22px 0;text-align:center}.hero-label{font-size:13.5px;color:var(--ink)}.who{display:inline-flex;align-items:center;gap:3px;border-radius:var(--hl-radius);padding:1px 9px 2px 6px;font-weight:600}.who.me{background:var(--hl-me)}.who.partner{background:var(--hl-partner)}.who-chip{display:inline-block;border-radius:var(--hl-radius);padding:0 7px 1px 6px;font-weight:600;color:var(--ink)}.who-chip.me{background:var(--hl-me)}.who-chip.partner{background:var(--hl-partner)}.hero-value{font-size:15px;font-weight:700;white-space:nowrap}.hero-note,.overpaid-note{flex-basis:100%;font-size:10.5px;color:var(--ink-soft);margin-top:1px}.overpaid-note{color:var(--ink-soft)}.heart{display:inline-block;vertical-align:-1px;margin:0 1px}.party-link{display:block;padding:9px 0 2px;text-align:center}.party-link-dot{display:none}.party-link-text{font-family:var(--font-hand);font-size:12px;color:var(--ink-soft)}.note-hand{font-family:var(--font-hand);font-size:12.5px;color:var(--ink-soft);margin-top:12px;transform:rotate(-.6deg)}.row.total{border-top:1px solid var(--rule-hard);border-bottom:2.5px double var(--rule-hard);padding:10px 0;font-weight:700}.bar{height:5px;background:var(--rule);border-radius:3px;overflow:hidden;margin-top:8px;flex-basis:100%}.bar-fill{height:100%;width:100%;background:var(--sky);transform:scaleX(0);transform-origin:left center;transition:transform .9s var(--ease)}.bar-fill.warning{background:var(--butter)}.bar-fill.success{background:var(--matcha)}button,.btn{font-family:var(--font-body);font-size:14.5px;border-radius:999px;border:1.5px solid var(--rule-hard);background:var(--surface-2);color:var(--ink);padding:11px 18px;min-height:44px;cursor:pointer;transition:filter .15s var(--ease),transform .15s var(--ease)}button:active{transform:scale(.97)}button:hover:not(:disabled){filter:brightness(.97) saturate(1.12)}button:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}.btn-full{width:100%}.btn-row{display:flex;gap:10px;margin-top:16px}.hero-block+.btn-row{margin-top:22px}button:focus-visible,.btn:focus-visible,a:focus-visible{outline:2px solid var(--ink);outline-offset:2px}label{display:block;font-size:12.5px;color:var(--ink-soft);margin:16px 0 5px}input,select,textarea{width:100%;font-family:var(--font-body);font-size:16px;padding:10px 13px;border-radius:var(--radius);border:1.5px solid var(--rule-hard);background:var(--surface-2);color:var(--ink)}input:focus,select:focus,textarea:focus{outline:2px solid var(--ink);outline-offset:1px}.month-nav{display:flex;gap:4px}.month-nav 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input[type=checkbox]{width:auto;height:18px;accent-color:var(--ink);margin:0}.check-row label{margin:0;color:var(--ink);font-size:14.5px}.sticky-bar{position:sticky;top:0;z-index:20;display:flex;width:100%;gap:0;padding:0;border:none;border-bottom:2px solid var(--rule-hard);border-radius:0;background:var(--paper);text-align:left;cursor:pointer;min-height:auto}.sticky-bar:before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--blush) 0 16.6%,var(--sky) 16.6% 33.3%,var(--butter) 33.3% 50%,var(--tangerine) 50% 66.6%,var(--sea) 66.6% 83.3%,var(--matcha) 83.3% 100%)}.sticky-bar-empty{min-height:48px;display:block}.sticky-cell{flex:1;padding:10px 10px 8px;display:flex;flex-direction:column;min-width:0}.sticky-cell+.sticky-cell{border-left:1px solid var(--rule)}.sticky-label{font-size:10.5px;color:var(--ink-soft)}.sticky-value{font-size:15px;font-weight:700;color:var(--ink)}.sticky-label .dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:5px;vertical-align:middle}.sticky-label .dot.me{background:var(--me-ink)}.sticky-label .dot.partner{background:var(--partner-ink)}.nav{position:fixed;bottom:0;left:0;right:0;z-index:20;display:flex;background:var(--paper-tab);border-top:2px solid var(--rule-hard);padding-bottom:env(safe-area-inset-bottom)}.nav a{flex:1;min-height:48px;display:flex;align-items:center;justify-content:center;text-align:center;padding:12px 0;font-size:11.5px;color:var(--ink-soft);text-decoration:none;position:relative}.nav a.active{color:var(--ink);font-weight:700}.nav-slider{position:absolute;top:0;height:3px;border-radius:0 0 3px 3px;background:var(--ink);pointer-events:none;transition:left .38s var(--ease)}.nav a:focus-visible{outline:2px solid var(--ink);outline-offset:-3px}.back-fab{position:fixed;right:16px;bottom:calc(64px + 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var(--rule-hard);cursor:zoom-in}.slip-gone{font-size:10.5px;color:var(--ink-soft);margin-top:4px}.fab{position:fixed;right:16px;bottom:calc(64px + env(safe-area-inset-bottom));z-index:25;width:56px;height:56px;border-radius:50%;background:var(--ink);color:#fff;line-height:1;text-decoration:none;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px #2f2a2657;transition:transform .15s var(--ease)}.fab:active{transform:scale(.94)}@media(min-width:900px){.fab{right:calc(50% - 344px)}}.rec-tabs{display:flex;gap:8px;margin:4px 0 14px}.rec-tabs a{font-size:12.5px;padding:6px 14px 7px;border-radius:999px;border:1.5px solid var(--rule-hard);color:var(--ink-soft);text-decoration:none;min-height:34px;display:flex;align-items:center}.rec-tabs a.active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}.error{color:var(--error-ink);font-size:12.5px;margin-top:10px}.empty{text-align:center;color:var(--ink-soft);padding:40px 20px}.dim{color:var(--ink-soft)}.strike{text-decoration:line-through;text-decoration-color:var(--strike);text-decoration-thickness:1px}.fade-in{animation:fade .32s var(--ease) both}@keyframes fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.stamp,.note-hand{transform:none}}